Manuel Fernández-Götz is Reader in Archaeology at the University of Edinburgh, Executive Board Member of the European Association of Archaeologists, and winner of the Philip Leverhulme Prize in Archaeology. His main areas of interest are Iron Age societies in Central and Western Europe, the archaeology of identities and the comparative archaeology of the Roman conquest. Nico Roymans is full professor of West European archaeology at VU University Amsterdam. His research interests include the social organisation of Late Iron Age societies, the archaeology of Celto-Germanic societies and their integration into the Roman world, ethnicity and ethnogenesis in the Roman Empire and the archaeology of mass violence and genocide.